Disincrustant
防水锈剂; 除垢剂
🗣️ 情景例句
Are you injured, sir?
先生，您受伤了吗？
I always answer Harmony in the department.
我总是回答说是部门的和谐。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。